Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 893 · 40 questions

How it works (Round and adjust): Round up: 49 is 50 − 1, 98 is 100 − 2. Multiply by the round number. Take away the number times the bit you added.

1. 1.15 × 29 =
2. 2.8 × 29 =
3. 3.12 × 49 =
4. 4.4 × 49 =
5. 5.21 × 99 =
6. 6.11 × 9 =
7. 7.11 × 9 =
8. 8.14 × 49 =
9. 9.33 × 98 =
10. 10.12 × 19 =
11. 11.5 × 19 =
12. 12.32 × 99 =
13. 13.10 × 9 =
14. 14.31 × 99 =
15. 15.15 × 19 =
16. 16.11 × 9 =
17. 17.17 × 99 =
18. 18.13 × 99 =
19. 19.8 × 19 =
20. 20.8 × 49 =
21. 21.40 × 99 =
22. 22.31 × 99 =
23. 23.9 × 49 =
24. 24.11 × 49 =
25. 25.11 × 19 =
26. 26.33 × 99 =
27. 27.9 × 49 =
28. 28.3 × 19 =
29. 29.15 × 19 =
30. 30.5 × 49 =
31. 31.6 × 19 =
32. 32.22 × 99 =
33. 33.8 × 29 =
34. 34.6 × 9 =
35. 35.10 × 19 =
36. 36.30 × 98 =
37. 37.9 × 9 =
38. 38.10 × 98 =
39. 39.4 × 29 =
40. 40.26 × 99 =

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